/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package aburakc;

import aburakc.deliver.SMSDeliver;
import aburakc.network.SMSNetworkListener;
import aburakc.sender.SMSSender;
import java.io.IOException;
import javax.microedition.io.Connector;
import javax.microedition.io.PushRegistry;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.wireless.messaging.MessageConnection;
import javax.wireless.messaging.MessageListener;

/**
 * @author burak.costu
 */
public class MainMIDlet extends MIDlet implements CommandListener, MessageListener {

    private boolean midletPaused = false;
    //<editor-fold defaultstate="collapsed" desc=" Generated Fields ">//GEN-BEGIN:|fields|0|
    private Command exitCommand;
    private Form form;
    private StringItem stringItem;
    //</editor-fold>//GEN-END:|fields|0|

    /**
     * The MainMIDlet constructor.
     */
    public MainMIDlet() {
    }

    //<editor-fold defaultstate="collapsed" desc=" Generated Methods ">//GEN-BEGIN:|methods|0|
    //</editor-fold>//GEN-END:|methods|0|
    //<editor-fold defaultstate="collapsed" desc=" Generated Method: initialize ">//GEN-BEGIN:|0-initialize|0|0-preInitialize
    /**
     * Initilizes the application.
     * It is called only once when the MIDlet is started. The method is called before the <code>startMIDlet</code> method.
     */
    private void initialize() {//GEN-END:|0-initialize|0|0-preInitialize
        // write pre-initialize user code here
//GEN-LINE:|0-initialize|1|0-postInitialize
        // write post-initialize user code here
    }//GEN-BEGIN:|0-initialize|2|
    //</editor-fold>//GEN-END:|0-initialize|2|

    //<editor-fold defaultstate="collapsed" desc=" Generated Method: startMIDlet ">//GEN-BEGIN:|3-startMIDlet|0|3-preAction
    /**
     * Performs an action assigned to the Mobile Device - MIDlet Started point.
     */
    public void startMIDlet() {//GEN-END:|3-startMIDlet|0|3-preAction
        // write pre-action user code here
        switchDisplayable(null, getForm());//GEN-LINE:|3-startMIDlet|1|3-postAction
        // write post-action user code here
    }//GEN-BEGIN:|3-startMIDlet|2|
    //</editor-fold>//GEN-END:|3-startMIDlet|2|

    //<editor-fold defaultstate="collapsed" desc=" Generated Method: resumeMIDlet ">//GEN-BEGIN:|4-resumeMIDlet|0|4-preAction
    /**
     * Performs an action assigned to the Mobile Device - MIDlet Resumed point.
     */
    public void resumeMIDlet() {//GEN-END:|4-resumeMIDlet|0|4-preAction
        // write pre-action user code here
//GEN-LINE:|4-resumeMIDlet|1|4-postAction
        // write post-action user code here
    }//GEN-BEGIN:|4-resumeMIDlet|2|
    //</editor-fold>//GEN-END:|4-resumeMIDlet|2|

    //<editor-fold defaultstate="collapsed" desc=" Generated Method: switchDisplayable ">//GEN-BEGIN:|5-switchDisplayable|0|5-preSwitch
    /**
     * Switches a current displayable in a display. The <code>display</code> instance is taken from <code>getDisplay</code> method. This method is used by all actions in the design for switching displayable.
     * @param alert the Alert which is temporarily set to the display; if <code>null</code>, then <code>nextDisplayable</code> is set immediately
     * @param nextDisplayable the Displayable to be set
     */
    public void switchDisplayable(Alert alert, Displayable nextDisplayable) {//GEN-END:|5-switchDisplayable|0|5-preSwitch
        // write pre-switch user code here
        Display display = getDisplay();//GEN-BEGIN:|5-switchDisplayable|1|5-postSwitch
        if (alert == null) {
            display.setCurrent(nextDisplayable);
        } else {
            display.setCurrent(alert, nextDisplayable);
        }//GEN-END:|5-switchDisplayable|1|5-postSwitch
        // write post-switch user code here
    }//GEN-BEGIN:|5-switchDisplayable|2|
    //</editor-fold>//GEN-END:|5-switchDisplayable|2|

    //<editor-fold defaultstate="collapsed" desc=" Generated Method: commandAction for Displayables ">//GEN-BEGIN:|7-commandAction|0|7-preCommandAction
    /**
     * Called by a system to indicated that a command has been invoked on a particular displayable.
     * @param command the Command that was invoked
     * @param displayable the Displayable where the command was invoked
     */
    public void commandAction(Command command, Displayable displayable) {//GEN-END:|7-commandAction|0|7-preCommandAction
        // write pre-action user code here
        if (displayable == form) {//GEN-BEGIN:|7-commandAction|1|19-preAction
            if (command == exitCommand) {//GEN-END:|7-commandAction|1|19-preAction
                // write pre-action user code here
                exitMIDlet();//GEN-LINE:|7-commandAction|2|19-postAction
                // write post-action user code here
            }//GEN-BEGIN:|7-commandAction|3|7-postCommandAction
        }//GEN-END:|7-commandAction|3|7-postCommandAction
        // write post-action user code here
    }//GEN-BEGIN:|7-commandAction|4|
    //</editor-fold>//GEN-END:|7-commandAction|4|

    //<editor-fold defaultstate="collapsed" desc=" Generated Getter: exitCommand ">//GEN-BEGIN:|18-getter|0|18-preInit
    /**
     * Returns an initiliazed instance of exitCommand component.
     * @return the initialized component instance
     */
    public Command getExitCommand() {
        if (exitCommand == null) {//GEN-END:|18-getter|0|18-preInit
            // write pre-init user code here
            exitCommand = new Command("Exit", Command.EXIT, 0);//GEN-LINE:|18-getter|1|18-postInit
            // write post-init user code here
        }//GEN-BEGIN:|18-getter|2|
        return exitCommand;
    }
    //</editor-fold>//GEN-END:|18-getter|2|

    //<editor-fold defaultstate="collapsed" desc=" Generated Getter: form ">//GEN-BEGIN:|14-getter|0|14-preInit
    /**
     * Returns an initiliazed instance of form component.
     * @return the initialized component instance
     */
    public Form getForm() {
        if (form == null) {//GEN-END:|14-getter|0|14-preInit
            // write pre-init user code here
            form = new Form("Welcome", new Item[] { getStringItem() });//GEN-BEGIN:|14-getter|1|14-postInit
            form.addCommand(getExitCommand());
            form.setCommandListener(this);//GEN-END:|14-getter|1|14-postInit
            // write post-init user code here
        }//GEN-BEGIN:|14-getter|2|
        return form;
    }
    //</editor-fold>//GEN-END:|14-getter|2|

    //<editor-fold defaultstate="collapsed" desc=" Generated Getter: stringItem ">//GEN-BEGIN:|16-getter|0|16-preInit
    /**
     * Returns an initiliazed instance of stringItem component.
     * @return the initialized component instance
     */
    public StringItem getStringItem() {
        if (stringItem == null) {//GEN-END:|16-getter|0|16-preInit
            // write pre-init user code here
            stringItem = new StringItem("SMS ", "Hello, World!");//GEN-LINE:|16-getter|1|16-postInit
            // write post-init user code here
        }//GEN-BEGIN:|16-getter|2|
        return stringItem;
    }
    //</editor-fold>//GEN-END:|16-getter|2|

    /**
     * Returns a display instance.
     * @return the display instance.
     */
    public Display getDisplay() {
        return Display.getDisplay(this);
    }

    /**
     * Exits MIDlet.
     */
    public void exitMIDlet() {
        switchDisplayable(null, null);
        destroyApp(true);
        notifyDestroyed();
    }
    /**
     * Called when MIDlet is started.
     * Checks whether the MIDlet have been already started and initialize/starts or resumes the MIDlet.
     */
    private MessageConnection messageConnection;
    String[] connections;
    private String smsPort;

    public void startApp() {
        try {
            if (midletPaused) {
                resumeMIDlet();
            } else {
                initialize();
                startMIDlet();
            }
            midletPaused = false;
            setSmsPort("50000");
            String smsConnection = "sms://:" + getSmsPort();
            if (getMessageConnection() == null) {
                try {
                    setMessageConnection((MessageConnection) Connector.open(smsConnection));
                    //getMessageConnection().setMessageListener(this);
                } catch (IOException ioe) {
                    // ioe.printStackTrace();
                }
            }
            connections = PushRegistry.listConnections(true);
            SMSReceiver.createInstance(this);
            SMSReceiver.getInstance().setMainMIDlet(this);
            getMessageConnection().setMessageListener(SMSReceiver.getInstance());
            SMSSender.createInstance(this);
            SMSSender.getInstance().setMainMIDlet(this);
            SMSDeliver.getInstance();
            SMSDeliver.getInstance().setMainMIDlet(this);
            SMSNetworkListener.getInstance();
            SMSNetworkListener.getInstance().setMainMIDlet(this);
            getStringItem().setText("");
            // smsNetworkListener = SMSNetworkListener.getInstance();
            //t.start();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    /**
     * Called when MIDlet is paused.
     */
    public void pauseApp() {
        midletPaused = true;
        //SMSSender.getInstance().destroy();
        SMSDeliver.getInstance().destroy();
    }

    /**
     * Called to signal the MIDlet to terminate.
     * @param unconditional if true, then the MIDlet has to be unconditionally terminated and all resources has to be released.
     */
    public void destroyApp(boolean unconditional) {
        try {
            getMessageConnection().close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    public void notifyIncomingMessage(MessageConnection arg0) {
    }

    /**
     * @return the messageConnection
     */
    public MessageConnection getMessageConnection() {
        return messageConnection;
    }

    /**
     * @param messageConnection the messageConnection to set
     */
    public void setMessageConnection(MessageConnection messageConnection) {
        this.messageConnection = messageConnection;
    }

    /**
     * @return the smsPort
     */
    public String getSmsPort() {
        return smsPort;
    }

    /**
     * @param smsPort the smsPort to set
     */
    public void setSmsPort(String smsPort) {
        this.smsPort = smsPort;
    }

    /**
     * @param stringItem the stringItem to set
     */
    public void setStringItem(StringItem stringItem) {
        this.stringItem = stringItem;
    }

    public void addScreenMessage(String str) {
        this.stringItem.setText(stringItem.getText() + "\n" + str);
    }
}
